title: Self-organized silver nanoparticles for three-dimensional plasmonic crystals.
abstract: Metal nanostructures that support surface plasmons are compelling as plasmonic circuit elements and as the building blocks for metamaterials. We demonstrate here the spontaneous self-assembly of shaped silver nanoparticles into three-dimensional plasmonic crystals that display a frequency-selective response in the visible wavelengths. Extensive long-range order mediated by exceptional colloid monodispersity gives rise to optical passbands that can be tuned by particle volume fraction. These metallic supercrystals present a new paradigm for the fabrication of plasmonic materials, delivering a functional, tunable, completely bottom-up optical element that can be constructed on a massively parallel scale without lithography.
authors.affiliation: Department of Chemistry, UC Berkeley, Berkeley, California 94720, USA.
authors.forename: Andrea R
authors.initials: AR
authors.lastname: Tao
authors.forename: Daniel P
authors.initials: DP
authors.lastname: Ceperley
authors.forename: Prasert
authors.initials: P
authors.lastname: Sinsermsuksakul
authors.forename: Andrew R
authors.initials: AR
authors.lastname: Neureuther
authors.forename: Peidong
authors.initials: P
authors.lastname: Yang
mesh_terms: D003102:Colloids; D003460:Crystallization; D053768:Metal Nanoparticles / Q000737:chemistry* / Q000648:ultrastructure*; D008855:Microscopy, Electron, Scanning; D012834:Silver / Q000737:chemistry*; D013057:Spectrum Analysis; D020349:Surface Plasmon Resonance
chemical_list: D003102:Colloids; D012834:Silver